Winthrop Harbor, Illinois, United States Climate Change Severity

48
High
The current climate change severity in Winthrop Harbor is High, with a 11.4% improvement in the climate score compared to last 15 years. This suggests improved conditions, with more favorable environmental indicators and a reduction in negative impacts.
Data: Jan. to Oct. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Winthrop Harbor Weather Condition Changes (Historic Vs 2025)

2025
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2025

Over the past 15 year(s), Winthrop Harbor temperature has changed by around -0.1%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Oct. (Historical Vs 2025)

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
5823
-60.3%
cloudyCloudy
7359
-19.1%
rainyRainy
11672
-37.9%
snowySnowy
86
-25%
mistyMisty
012
100%

Disclaimer: Other weather conditions not shown may affect the total day count.

Climate Change Indicators:

Over the past 15 years, Winthrop Harbor has experienced measurable shifts in key climate parameters, contributing to the current severity score of 48 (within the High severity category). While the score remains High, certain factors have improved over time. Here’s a breakdown of the specific changes observed:

Severity Score

48/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Winthrop Harbor experienced significant changes:

Temperature change of

-0.01 °C

Variation in annual rainfall

+46.8 %

Change in average humidity

+1.5 %

PM2.5 levels surged by

-10.8 %

Heatwave changed by

+0.2 day(s)

Coldwave changed by

-7.1 day(s)

Wind speeds changed by

-0.6 km/h

These indicators show improvement in key parametes of climate, but Winthrop Harbor remains in the High severity category. Continuous focus on climate resilience is necessary to avoid further worsening and ensure sustainability.

Check how we calculate Climate Change Severity
Based on data from Jan. to Oct.

Winthrop Harbor Weather Forecast 30 Days (November - December 2025)
Winthrop Harbor, Illinois, United States

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sat. 1, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon10°/6°
Humidity Icon70%
Wind Icon24km/h
Sun. 2, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon11°/4°
Humidity Icon70%
Wind Icon14km/h
Mon. 3, Nov.
sunnySunny
Temperature Icon14°/4°
Humidity Icon46%
Wind Icon28km/h
Tue. 4, Nov.
sunnySunny
Temperature Icon12°/5°
Humidity Icon49%
Wind Icon31km/h
Wed. 5, Nov.
partly cloudyPartly Cloudy
Temperature Icon11°/4°
Humidity Icon45%
Wind Icon25km/h
Thu. 6, Nov.
moderate rainModerate rain
Temperature Icon6°/2°
Humidity Icon92%
Wind Icon30km/h
Fri. 7, Nov.
partly cloudyPartly Cloudy
Temperature Icon0°/-3°
Humidity Icon71%
Wind Icon28km/h
Sat. 8, Nov.
sunnySunny
Temperature Icon4°/-4°
Humidity Icon65%
Wind Icon21km/h
Sun. 9, Nov.
sunnySunny
Temperature Icon10°/3°
Humidity Icon58%
Wind Icon31km/h
Mon. 10, Nov.
sunnySunny
Temperature Icon12°/6°
Humidity Icon55%
Wind Icon26km/h
Tue. 11, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon14°/8°
Humidity Icon75%
Wind Icon28km/h
Wed. 12, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon15°/9°
Humidity Icon80%
Wind Icon28km/h
Thu. 13, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon20°/13°
Humidity Icon77%
Wind Icon31km/h
Fri. 14, Nov.
heavy rain at timesHeavy rain at times
Temperature Icon7°/1°
Humidity Icon72%
Wind Icon24km/h
Sat. 15, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon8°/2°
Humidity Icon76%
Wind Icon22km/h
Sun. 16, Nov.
moderate rain at timesModerate rain at times
Temperature Icon8°/3°
Humidity Icon76%
Wind Icon26km/h
Mon. 17, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon7°/2°
Humidity Icon76%
Wind Icon28km/h
Tue. 18, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon6°/0°
Humidity Icon73%
Wind Icon29km/h
Wed. 19, Nov.
heavy rain at timesHeavy rain at times
Temperature Icon6°/1°
Humidity Icon73%
Wind Icon28km/h
Thu. 20, Nov.
moderate rain at timesModerate rain at times
Temperature Icon6°/1°
Humidity Icon72%
Wind Icon28km/h
Fri. 21, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon6°/1°
Humidity Icon77%
Wind Icon27km/h
Sun. 23, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon6°/0°
Humidity Icon75%
Wind Icon25km/h
Mon. 24, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon6°/1°
Humidity Icon77%
Wind Icon27km/h
Tue. 25, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon6°/1°
Humidity Icon78%
Wind Icon27km/h
Wed. 26, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon5°/-1°
Humidity Icon76%
Wind Icon27km/h
Thu. 27, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon4°/-2°
Humidity Icon76%
Wind Icon27km/h
Fri. 28, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon4°/-2°
Humidity Icon73%
Wind Icon24km/h
Sat. 29, Nov.
heavy rain at timesHeavy rain at times
Temperature Icon5°/0°
Humidity Icon78%
Wind Icon27km/h
Sun. 30, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon5°/-1°
Humidity Icon77%
Wind Icon27km/h
Mon. 1, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon4°/0°
Humidity Icon75%
Wind Icon25km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 13, Nov.

19.6°C

Low will be onSat. 8, Nov.

-3.9°C

HumidityHumidity

High will be onThu. 6, Nov.

92%

Low will be onWed. 5, Nov.

45%

Wind SpeedWind Speed

High will be onThu. 13, Nov.

31km/h

Low will be onSun. 2, Nov.

13.7km/h

PrecipitationPrecipitation

High will be onThu. 6, Nov.

12.5mm

Low will be onWed. 5, Nov.

0.08mm

Ultraviolet IndexUV

High will be onThu. 13, Nov.

4

Low will be onThu. 6, Nov.

1

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